HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>window scroll</title>
  <style>
    body { font-family: sans-serif; padding: 16px; margin: 0; }
    .spacer { height: 120vh; background: linear-gradient(#eff6ff, #ecfdf5); padding: 16px; }
    #msg { position: fixed; top: 12px; right: 12px; background: #dc2626; color: #fff; padding: 8px 14px; border-radius: 6px; font-weight: 600; display: none; }
  </style>
</head>
<body>
  <div id="msg">Scroll happened!</div>
  <div class="spacer">
    <p>Scroll this page down — the red badge appears briefly (official window scroll demo pattern).</p>
    <p>Keep scrolling to see it again.</p>
  </div>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    $(window).on("scroll", function() {
      $("#msg").css("display", "inline-block").stop(true, true).fadeOut(800);
    });
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

jQuery scroll event — window scroll indicator (Try It)